N-cyano-n'- 2-¬(4-methyl-5- imidazolyl)methylthio ethyl - n"-alkynylguanidines h.sub.2 receptor blocking agents
CA 1110251 A · Owner: Bristol-Myers Squibb Company · Inventors: Luke, George M.; Crenshaw, Ronnie R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Histamine H? receptor antagonists which inhibit gastric secretion in animals and are useful in the treatment of peptic ulcer disease having the formula, I, wherein R1 is a straight or branched chain alkynyl group containing from 3 to 9 carbon atoms inclusive, non-toxic pharmaceutically acceptable acid addition salts thereof, intermediates therefore and processes for their production. -1-
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.